/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

class Cat {
    name: string;
  
    constructor();
    constructor(name: string);
    constructor(name?: string) {
      "use sendable"
      this.name = name ?? 'Mi';
    }
  
    static greet1(): string;
    static greet1(msg?: string): string {
      return msg? msg:'hello';
    }
  
    greet2(): string;
    greet2(msg?: string): string {
      return msg? `${msg}${this.name}`:'hello Mi';
    }
  }